remove ReadInt8, ReadInt16

gframe/replay.cpp

@@ -217,12 +217,6 @@ bool Replay::ReadData(void* data, size_t length) {
 int Replay::ReadInt32() {
 	return ReadValue<int32_t>();
 }
-short Replay::ReadInt16() {
-	return ReadValue<int16_t>();
-}
-char Replay::ReadInt8() {
-	return ReadValue<char>();
-}
 void Replay::Rewind() {
 	data_position = 0;
 }

gframe/replay.h

@@ -60,8 +60,6 @@ public:
 		return ret;
 	}
 	int ReadInt32();
-	short ReadInt16();
-	char ReadInt8();
 	void Rewind();
 
 	FILE* fp{ nullptr };

gframe/replay_mode.cpp

@@ -228,8 +228,8 @@ bool ReplayMode::StartDuel() {
 		}
 	} else {
 		char filename[256];
-		int slen = cur_replay.ReadInt16();
-		if (slen < 0 || slen > 255) {
+		auto slen = cur_replay.Read<uint16_t>();
+		if (slen > sizeof(filename) - 1) {
 			return false;
 		}
 		cur_replay.ReadData(filename, slen);